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Kimi Pārōnaki e ai ki y
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390-y-18
Tangohia te 20 i te 410, ka 390.
372-y
Tangohia te 18 i te 390, ka 372.
\frac{\mathrm{d}}{\mathrm{d}y}(390-y-18)
Tangohia te 20 i te 410, ka 390.
\frac{\mathrm{d}}{\mathrm{d}y}(372-y)
Tangohia te 18 i te 390, ka 372.
-y^{1-1}
Ko te pārōnaki o tētahi pūrau ko te tapeke o ngā pārōnaki o ōna kīanga tau. Ko te pārōnaki o tētahi kīanga tau pūmau ko 0. Ko te pārōnaki o te ax^{n} ko te nax^{n-1}.
-y^{0}
Tango 1 mai i 1.
-1
Mō tētahi kupu t mahue te 0, t^{0}=1.